Home / 28,637.82-39,520.16-16,062.58

Finding the Fourth Proportional to 28,637.82, 39,520.16 and 16,062.58

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Solution

The fourth proportional to 28,637.82, 39,520.16 and 16,062.58 is: 22,166.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,637.82 : 39,520.16 = 16,062.58 : x
  2. Step 2: Convert to fraction form
    28,637.82/39,520.16 = 16,062.58/x
  3. Step 3: Cross multiply
    28,637.82x = 39,520.16 × 16,062.58
  4. Step 4: Simplify right side
    28,637.82x = 634,795,731.61
  5. Step 5: Solve for x
    x = 634,795,731.61/28,637.82
  6. Step 6: Final answer
    x = 22,166.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.